Kickass Proxy, also known as Kickasstorrents Proxy, is a mirror website that allows users to access the Kickass Torrents library despite the site's shutdown. The original Kickass Torrents website was seized by the US Department of Justice in 2016, and its domains were confiscated.
Here are some popular Kickass Proxy Ninja Exclusive sites (note that these may not be up-to-date or reliable): kickass proxy ninja exclusive